JPS52117169A - Electronic watch - Google Patents

Electronic watch

Info

Publication number
JPS52117169A
JPS52117169A JP3404376A JP3404376A JPS52117169A JP S52117169 A JPS52117169 A JP S52117169A JP 3404376 A JP3404376 A JP 3404376A JP 3404376 A JP3404376 A JP 3404376A JP S52117169 A JPS52117169 A JP S52117169A
Authority
JP
Japan
Prior art keywords
electronic watch
trimmer
oscillation
shielding
occurrence
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3404376A
Other languages
Japanese (ja)
Inventor
Toshimi Oki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP3404376A priority Critical patent/JPS52117169A/en
Publication of JPS52117169A publication Critical patent/JPS52117169A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • G04F5/063—Constructional details
    • G04F5/066—Trimmer condensators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

PURPOSE:The occurrence of a change in the desired frequency obtained by controlling a trimmer despite closing of a rear cover is prevented even if the frequency of oscillation of crystal is increased to several M Hz shielding the pattern on a substrate with covering of a conductive material.
JP3404376A 1976-03-27 1976-03-27 Electronic watch Pending JPS52117169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3404376A JPS52117169A (en) 1976-03-27 1976-03-27 Electronic watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3404376A JPS52117169A (en) 1976-03-27 1976-03-27 Electronic watch

Publications (1)

Publication Number Publication Date
JPS52117169A true JPS52117169A (en) 1977-10-01

Family

ID=12403281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3404376A Pending JPS52117169A (en) 1976-03-27 1976-03-27 Electronic watch

Country Status (1)

Country Link
JP (1) JPS52117169A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185398A (en) * 1986-01-31 1987-08-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Thick film circuit device containing ceramic substrate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185398A (en) * 1986-01-31 1987-08-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Thick film circuit device containing ceramic substrate

Similar Documents

Publication Publication Date Title
JPS52117169A (en) Electronic watch
JPS533864A (en) Electronic watch
JPS51142252A (en) Exciter circuit
JPS51118981A (en) Frequency regulator of bending piez/-electric oscillator
JPS53103769A (en) Electronic timepiece having sounding function
JPS5333667A (en) Time regulating element for electronic watches
JPS52113258A (en) Electronic clock
JPS53136990A (en) Composite piezoelectric oscillator
GB1551871A (en) Crystal oscillator controlled electronic timepiece
JPS533870A (en) Radio wave control electronic wristwatch
JPS5320976A (en) Electronic watch
JPS5312658A (en) Electronic watch
JPS5355068A (en) Electronic watch
JPS5314593A (en) Piezoelectric element part
JPS5364562A (en) Resonator for electronic wristwatch with alarm
JPS5313956A (en) Electronic wristwatch with buzzer
JPS53124477A (en) Electronic watch structure
JPS51147294A (en) Tuning fork type crystal oscillator
JPS5313861A (en) Oscillating circuit
JPS5348541A (en) Liquid crystal display device
JPS52127056A (en) Counter
JPS5435661A (en) Crystal oscillator circuit with temperature compensation of electronic watch
JPS5360538A (en) Tuning circuit of variable capacity type
JPS53136989A (en) Electronic watch
JPS5355073A (en) Electronic watch